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P0603 Diagnostic Trouble Code Discussion for April 2014

Control Module Long Term Memory Reset


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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
1999 Ford Expedition Eddie Bauer 5.4L No Start VIN: 1FMRU17L1X
P0603: kam voltage. bought vehicle at auction with unknown history and no key. Had locksmith cut key and attempt to program passlock[security system]and was told that ecu would not allow access. scanned ecu and found code for kam voltage. Alldata informed to verify voltage on pin...
April 11, 2014
1999 Ford Expedition Eddie Bauer 5.4L No Start VIN: 1FMRU17L1X
P0603: kam voltage. bought vehicle at auction with unknown history and no key. Had locksmith cut key and attempt to program passlock[security system]and was told that ecu would not allow access. scanned ecu and found code for kam voltage. Alldata informed to verify voltage on pin...
April 12, 2014